MANASSAS, Va. (WUSA9) -- Two children were found wandering in a neighborhood in Manassas on Friday morning, Prince William County Police said in a news release.

The mother, Esmeralda Carolina Acosta Montoya, 28, of Manassas, was arrested about 45 minutes after police were notified that the kids were missing, police said.

It happened at around 10:28 a.m., when a person called police, informing them that the caller had found the two children wandering, police said.

"The caller located two children, a 3 year old girl and 5 year old boy, walking the area above unsupervised. The caller took the children to nearby Westgate Elementary School where police were notified. The investigation revealed that the accused had left the children in a locked room of the residence while she was gone for about for two hours," police said.

Charged with two counts of felony child endangerment and she has been released on a $4,500 bond.